Blood loss estimator



FIG. 1 is a exploded view of a blood loss estimator showing my new design;

FIG. 2 is a front view of the cover thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof; and the left side view is a mirror image thereof; and,

FIG. 5 is a top view thereof; and the bottom is a mirror image thereof. 

The ornamental design for a blood loss estimator, as shown and described. 